GPI Spark Plug Wire Set - Extreme Heat - Long Length - Yellow (2014+ GM LT Engines) - gpiLT-XTR-YEL-LONG
Extreme-Heat Ignition Wires for High-Temperature LT Builds
The GPI gpiLT-XTR-YEL-LONG Spark Plug Wire Set is engineered specifically for forced-induction LT engines that operate under elevated exhaust gas temperatures. This Extreme Heat version features an upgraded boot design combined with an additional heat sleeve to protect ignition components from radiant heat and sustained high-EGT conditions common in turbocharged and supercharged setups.
Configured in a long-length format (16.00? overall, including boots), this set is ideal for 2014+ GM LT car and truck platforms running GPI valve cover kits or relocated coil mounting. Each wire uses a 30 ohms-per-foot high-inductance design averaging ~400 mH per foot, paired with a 200 TPI copper winding and a .085 - .090? conductor diameter to deliver excellent EMI/RFI noise suppression while maintaining strong, consistent spark energy.
Finished in a high-visibility yellow sleeving and equipped with 45° coil boots and 45° spark plug boots, these wires provide clean routing, secure engagement, and durability where it matters most. As with all GPI ignition products, every set is engineered, hand-built, and hand-tested in the USA.
Performance Highlights
- Extreme Heat construction for forced-induction LT engines
- Upgraded boots with additional heat sleeve for high-EGT protection
- Long Length design for engines using GPI valve cover kits
- 16.00? overall length including boots
- 30 ?/ft high-inductance wire (~400 mH/ft)
- Copper conductor with 200 TPI winding
- .085 - .090? conductor diameter
- Excellent noise suppression for modern EFI systems
- 45° coil boots and 45° spark plug boots
- Available in multiple colors - this listing: Yellow
- Hand-built and hand-tested in the USA
Quick Specs
- Part Number: gpiLT-XTR-YEL-LONG
- Application: 2014+ GM LT car and truck engines
- Version: Extreme Heat, Long Length
- Overall Length: 16.00? (including boots)
- Intended Use: Forced induction / high-EGT applications
- Resistance: 30 ohms per foot
- Inductance: ~400 mH per foot
- Conductor: Copper, 200 TPI
- Conductor Diameter: .085 - .090?
- Boot Angles: 45° coil / 45° spark plug
- Manufacturing: Hand-built and hand-tested in the USA
FAQs
Who should run the Extreme Heat LT spark plug wires?
These wires are recommended for turbocharged or supercharged LT engines that experience higher exhaust gas temperatures and need added thermal protection around the ignition system.
Can these be used on naturally aspirated LT engines?
Yes, but the Extreme Heat version is generally unnecessary for N/A setups. Standard or long-length GPI LT wire sets are typically sufficient unless extra heat shielding is desired.
Why Buy from Beefcake Racing?
Beefcake Racing supplies proven LT-platform performance parts backed by real-world experience. Need help choosing the correct ignition wire setup? Call 1-855-827-7223 or email sales@beefcakeracing.com.
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